or apply directly on Fospha 's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 27 days Fospha 's roles stay open a median of 45 days
- Reposted
- No
- Salary listed
- No 0% of Fospha 's roles list one
- Ghost-job risk at Fospha
- high 7 stale, 0 reposted of 13 open
- Hiring momentum
- 14 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Fospha 's own greenhouse board since 2026-08-03. Full hiring picture for Fospha .
About this role
As a Junior Data Scientist at Fospha, you will work within the Data Science team to develop and maintain marketing measurement products for ecommerce brands. Your responsibilities will include owning analytical investigations, debugging code, writing and reviewing production code in Python and SQL, and communicating findings to clients and colleagues. You will also have the opportunity to become an internal data science champion and contribute to the evolution of the company's methodologies.
- benefits
- 1/5
- freshness
- 4/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Fospha as an employer.
What you need
- Some commercial data science experience (typically 1–2 years or strong placement/internship record)
- Strong Python and SQL skills
- Deep knowledge of a handful of machine learning algorithms
- Ability to systematically debug unfamiliar code using AI tooling
- Strong AI fluency
- Confidence in completing work independently once scope is agreed
Nice to have
- Experience with AWS or comparable cloud tooling
- Familiarity with automated QA tooling and test coverage practices
- Experience with marketing, ecommerce, or advertising data
- Exposure to Bayesian methods, marketing mix modelling, or experimental design
Worth weighing
- No salary listed
- Role involves working with AI tooling, which may require a learning curve
- The company emphasizes a supportive team structure and ownership, which could be beneficial for growth
Summarised from Fospha 's posting. Read the full original.
Listed by Fospha on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.
More roles at Fospha
- Data ScientistLondon
- Graduate Marketing ScientistLondon